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| CAS No.: | 7787-71-5 |
|---|---|
| Name: | BROMINE TRIFLUORIDE |
| Article Data: | 69 |
| Molecular Structure: | |
|
|
|
| Formula: | BrF3 |
| Molecular Weight: | 136.899 |
| Synonyms: | Bromine fluoride;Bromine trifluoride; |
| EINECS: | 232-132-1 |
| Density: | 2,803 g/cm3 |
| Melting Point: | 8.8 °C |
| Boiling Point: | 135°Cat760mmHg |
| Solubility: | violent reaction with H2O [HAW93] |
| Appearance: | fuming colourless or light yellow liquid,with a pungent odour. |
| Hazard Symbols: |
 O, T
|
| Risk Codes: | 8-23/24/25-35 |
| Safety: | 7/8-36/37/39-45 |
| Transport Information: | 1746 |
| PSA: | 0.00000 |
| LogP: | 2.10620 |
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Consensus Reports
Reported in EPA TSCA Inventory.
Standards and Recommendations
OSHA PEL: TWA 2.5 mg(F)/m3
ACGIH TLV: TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (Inorganic Fluorides) TWA 2.5 mg(F)/m3
DOT Classification: 5.1; Label: Oxidizer, Poison, Corrosive
Specification
The Bromine trifluoride with the cas number 7787-71-5, is also Bromine fluoride, and trifluoro-λ3-bromane which is named by IUPAC. Bromine trifluoride is a very reactive oxidizing agent. It reacts violently to evolve oxygen once contacting with water. And it can accelerates the burning of combustible material. It is likely to cause a fire or explosion once it is mixed with the following hydrogen-containing substances: acetic acid, ammonia, benzene, ethanol, 2-pentanone, hydrogen, hydrogen sulfide, methane, cork, grease paper , wax. Mixing with acids, halogens, ammonium halides, metal halides, metals, nonmetals, or metal oxides at ambient or slightly above ambient temperatures has resulted in violent reactions. Specifically, it reacts dangerously with nitric acid, sulfuric acid, chlorine, iodine, ammonium chloride, potassium iodide, boron powder, selenium, tellurium, aluminum powder, bismuth, cobalt powder, iron powder, arsenic, nickel powder, chromium trioxide, charcoal, red phosphorus, sulfur dioxide, magnesium oxide.
Properties of Bromine trifluoride are: (1)Enthalpy of Vaporization: 47.57 kJ/mol ; (2)Boiling Point: 135 °C at 760 mmHg ; (3)Vapour Pressure: 4.85 mmHg at 25°C
The Octadecafluorooctane is commonly used as fluorinating agent and inert solvent. It is toxic by inhalation, in contact with skin and if swallowed. And please wear suitable protective clothing, gloves and eye/face protection when using it. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.).
Removal in wastewater treatment of Bromine trifluoride can be stated as follows:
Total removal:90.51 percent
Total biodegradation:0.02 percent
Total sludge adsorption:0.40 percent
Total to Air:90.08 percent
(using 10000 hr Bio P,A,S)
Bromine trifluoride can be synthesized by these methods:
1. Br2 + 3 F2 → 2 BrF3
2. 3 BrF → BrF3 + Br2
You can still convert the following datas into molecular structure :
1. FBr(F)F
2. InChI=1/BrF3/c2-1(3)4